https://join.sleepgroupsolutions.com/wp-content/uploads/2017/10/Meet-Dr.-Barry-Freydberg-a-Sleep-Group-Solutions-instructor.mp4 Meet Dr. Barry Freydberg, a Sleep Group Solutions Instructor Video SGS Instructors, Videos | October 15, 2017 | Daniel SGS SGS Speaker Dr. Barry Freydberg talks about his experiences with Sleep Group Solutions.